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Submission #240087

# Submission time Handle Problem Language Result Execution time Memory
240087 2020-06-18T02:10:12 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 256 ms 166136 KB 
#include<bits/stdc++.h>

#define oo 1000000000
#define maxm 1500000
#define maxn 50005
#define block 200

using namespace std;
typedef long long ll;

int n, m;
int b[maxn], p[maxn];

vector < pair < int, int > > g[maxm];

int node(int u, int x) {return x * n + u;}
int inode(int x) {return x % n;}
int dnode(int x) {return (x - inode(x)) / n;}

int dist[maxm];

int dijkstra() {
  priority_queue < pair < int, int > > p;

  fill(dist, dist + maxm, oo);

  dist[b[0]] = 0;
  p.push({0, b[0]});

  while (!p.empty()) {
    int u = p.top().second; p.pop();

    for (auto i : g[u]) {
      int v = i.first, w = i.second;

      if (dist[v] > dist[u] + w) {
       // cerr << u << ' ' << v << ' ' << w << '\n';
        dist[v] = dist[u] + w;
        p.push({-dist[v], v});
      }
    }
  }

  //for (int i = 0; i < 25; ++i)
    //cerr << i << ' ' << dist[i] << '\n';
  return (dist[b[1]] != oo ? dist[b[1]] : -1);
}

int main(){

  #define TASK "ABC"
	//freopen(TASK".inp", "r", stdin); freopen(TASK".out", "w", stdout);
  ios_base::sync_with_stdio(0);

  cin >> n >> m;

  for (int i = 0; i < m; ++i)
    cin >> b[i] >> p[i];

  for (int j = 1; j <= block; ++j)
    for (int i = j; i < n; ++i)
      g[node(i, j)].push_back({node(i - j, j), 1});

  for (int j = 1; j <= block; ++j)
    for (int i = 0; i + j < n; ++i)
      g[node(i, j)].push_back({node(i + j, j), 1});

  for (int i = 0; i < n; ++i)
    for (int j = 1; j <= block; ++j)
      g[node(i, j)].push_back({i, 0});

  for (int i = 0; i < m; ++i)
    if (p[i] <= block)
      g[b[i]].push_back({node(b[i], p[i]), 0});


  for (int i = 0; i < m; ++i)
    if (p[i] > block)
      for (int j = b[i] % p[i]; j < n; j += p[i])
        if (i != j)
          g[b[i]].push_back({j, abs(j - b[i]) / p[i]});

  //for (int i = 0; i < 10; ++i)
   // for (auto j : g[i])
   //   cerr << i << ' ' << j.first << ' ' << j.second << '\n';
  cout << dijkstra();

  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41472 KB Output is correct
2 Correct 28 ms 41472 KB Output is correct
3 Correct 28 ms 41472 KB Output is correct
4 Correct 29 ms 41472 KB Output is correct
5 Correct 34 ms 41472 KB Output is correct
6 Correct 28 ms 41472 KB Output is correct
7 Correct 34 ms 41472 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41472 KB Output is correct
2 Correct 31 ms 41472 KB Output is correct
3 Correct 30 ms 41468 KB Output is correct
4 Correct 28 ms 41472 KB Output is correct
5 Correct 33 ms 41464 KB Output is correct
6 Correct 33 ms 41472 KB Output is correct
7 Correct 33 ms 41472 KB Output is correct
8 Correct 29 ms 41728 KB Output is correct
9 Correct 30 ms 41856 KB Output is correct
10 Correct 36 ms 42112 KB Output is correct
11 Correct 37 ms 42108 KB Output is correct
12 Correct 35 ms 42112 KB Output is correct
13 Correct 37 ms 42112 KB Output is correct
14 Correct 33 ms 42104 KB Output is correct
15 Correct 38 ms 42240 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41472 KB Output is correct
2 Correct 32 ms 41468 KB Output is correct
3 Correct 29 ms 41472 KB Output is correct
4 Correct 29 ms 41472 KB Output is correct
5 Correct 29 ms 41472 KB Output is correct
6 Correct 29 ms 41472 KB Output is correct
7 Correct 29 ms 41472 KB Output is correct
8 Correct 29 ms 41600 KB Output is correct
9 Correct 30 ms 41856 KB Output is correct
10 Correct 32 ms 42112 KB Output is correct
11 Correct 33 ms 42112 KB Output is correct
12 Correct 32 ms 42112 KB Output is correct
13 Correct 31 ms 42112 KB Output is correct
14 Correct 33 ms 42112 KB Output is correct
15 Correct 32 ms 42112 KB Output is correct
16 Correct 33 ms 42880 KB Output is correct
17 Correct 72 ms 47992 KB Output is correct
18 Correct 104 ms 57696 KB Output is correct
19 Correct 115 ms 60024 KB Output is correct
20 Correct 134 ms 60028 KB Output is correct
21 Correct 47 ms 44664 KB Output is correct
22 Correct 116 ms 57976 KB Output is correct
23 Correct 104 ms 56188 KB Output is correct
24 Correct 118 ms 59256 KB Output is correct
25 Correct 119 ms 60152 KB Output is correct
26 Correct 118 ms 60024 KB Output is correct
27 Correct 114 ms 60024 KB Output is correct
28 Correct 124 ms 60052 KB Output is correct
29 Correct 131 ms 60200 KB Output is correct
30 Correct 121 ms 60080 KB Output is correct
31 Correct 122 ms 60024 KB Output is correct
32 Correct 122 ms 60152 KB Output is correct
33 Correct 160 ms 60152 KB Output is correct
34 Correct 159 ms 60152 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41472 KB Output is correct
2 Correct 30 ms 41472 KB Output is correct
3 Correct 29 ms 41472 KB Output is correct
4 Correct 28 ms 41472 KB Output is correct
5 Correct 33 ms 41472 KB Output is correct
6 Correct 33 ms 41472 KB Output is correct
7 Correct 33 ms 41472 KB Output is correct
8 Correct 29 ms 41728 KB Output is correct
9 Correct 30 ms 41856 KB Output is correct
10 Correct 31 ms 42112 KB Output is correct
11 Correct 32 ms 42112 KB Output is correct
12 Correct 36 ms 42112 KB Output is correct
13 Correct 31 ms 42112 KB Output is correct
14 Correct 32 ms 42360 KB Output is correct
15 Correct 34 ms 42240 KB Output is correct
16 Correct 33 ms 42880 KB Output is correct
17 Correct 71 ms 47992 KB Output is correct
18 Correct 107 ms 57592 KB Output is correct
19 Correct 128 ms 60176 KB Output is correct
20 Correct 117 ms 60024 KB Output is correct
21 Correct 41 ms 44544 KB Output is correct
22 Correct 105 ms 57976 KB Output is correct
23 Correct 107 ms 56264 KB Output is correct
24 Correct 126 ms 59128 KB Output is correct
25 Correct 118 ms 60024 KB Output is correct
26 Correct 141 ms 60152 KB Output is correct
27 Correct 113 ms 60024 KB Output is correct
28 Correct 120 ms 60024 KB Output is correct
29 Correct 129 ms 60024 KB Output is correct
30 Correct 138 ms 60028 KB Output is correct
31 Correct 124 ms 60024 KB Output is correct
32 Correct 131 ms 60152 KB Output is correct
33 Correct 184 ms 60084 KB Output is correct
34 Correct 158 ms 60152 KB Output is correct
35 Correct 123 ms 55544 KB Output is correct
36 Correct 89 ms 51324 KB Output is correct
37 Correct 212 ms 60536 KB Output is correct
38 Correct 173 ms 61304 KB Output is correct
39 Correct 174 ms 61304 KB Output is correct
40 Correct 196 ms 61304 KB Output is correct
41 Correct 171 ms 61304 KB Output is correct
42 Correct 165 ms 60660 KB Output is correct
43 Correct 121 ms 60660 KB Output is correct
44 Correct 124 ms 60564 KB Output is correct
45 Correct 212 ms 62076 KB Output is correct
46 Correct 222 ms 62200 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41472 KB Output is correct
2 Correct 28 ms 41472 KB Output is correct
3 Correct 34 ms 41472 KB Output is correct
4 Correct 30 ms 41472 KB Output is correct
5 Correct 29 ms 41472 KB Output is correct
6 Correct 29 ms 41464 KB Output is correct
7 Correct 29 ms 41472 KB Output is correct
8 Correct 29 ms 41728 KB Output is correct
9 Correct 36 ms 41848 KB Output is correct
10 Correct 31 ms 42112 KB Output is correct
11 Correct 34 ms 42112 KB Output is correct
12 Correct 32 ms 42232 KB Output is correct
13 Correct 32 ms 42112 KB Output is correct
14 Correct 37 ms 42112 KB Output is correct
15 Correct 37 ms 42232 KB Output is correct
16 Correct 38 ms 42880 KB Output is correct
17 Correct 75 ms 47992 KB Output is correct
18 Correct 113 ms 57592 KB Output is correct
19 Correct 127 ms 60024 KB Output is correct
20 Correct 133 ms 60024 KB Output is correct
21 Correct 41 ms 44544 KB Output is correct
22 Correct 111 ms 57976 KB Output is correct
23 Correct 101 ms 56312 KB Output is correct
24 Correct 125 ms 59128 KB Output is correct
25 Correct 122 ms 60024 KB Output is correct
26 Correct 132 ms 60116 KB Output is correct
27 Correct 123 ms 60024 KB Output is correct
28 Correct 135 ms 60024 KB Output is correct
29 Correct 142 ms 60024 KB Output is correct
30 Correct 119 ms 60028 KB Output is correct
31 Correct 120 ms 60024 KB Output is correct
32 Correct 129 ms 60152 KB Output is correct
33 Correct 156 ms 60152 KB Output is correct
34 Correct 193 ms 60284 KB Output is correct
35 Correct 129 ms 55544 KB Output is correct
36 Correct 86 ms 51320 KB Output is correct
37 Correct 184 ms 60536 KB Output is correct
38 Correct 200 ms 61304 KB Output is correct
39 Correct 176 ms 61272 KB Output is correct
40 Correct 175 ms 61304 KB Output is correct
41 Correct 190 ms 61304 KB Output is correct
42 Correct 149 ms 60788 KB Output is correct
43 Correct 125 ms 60660 KB Output is correct
44 Correct 138 ms 60532 KB Output is correct
45 Correct 256 ms 62072 KB Output is correct
46 Correct 214 ms 62076 KB Output is correct
47 Runtime error 185 ms 166136 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -